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Summary of Contents for BANTE inststruments Bante821
- Page 1 Bante821 Portable Dissolved Oxygen Meter Instruction Manual BANTE INSTRUMENTS CO., LTD...
- Page 2 Bante821 Portable Dissolved Oxygen Meter Introduction Thank you for selecting the Bante821 portable dissolved oxygen meter. This manual provides a step-by-step guide to help you operate the meter, please carefully read the following instructions before use. Unpacking Before unpacking, ensure that the current work environment meets following conditions.
- Page 3 Bante821 Portable Dissolved Oxygen Meter Display The Bante821 portable dissolved oxygen meter is equipped with an easy-read LCD display that used to show the measured values and mode icons. The following table describes the function of each icon. INDEX: Measurement mode icon: Stable icon: Indicates the meter is in the measurement mode.
- Page 4 Bante821 Portable Dissolved Oxygen Meter Keypad FUNCTION • Switches the meter ON/OFF. • Locks the measured value, press the key again to resume measuring. • Exits the calibration or setting and returns to measurement. • Toggles between % saturation and concentration measurement modes.
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Page 5: Installing The Batteries
Bante821 Portable Dissolved Oxygen Meter Installing the Batteries • Remove the battery cover from backside of the meter. • Insert three AA batteries into the battery compartment, note polarity. • Replace the battery cover into its original position. Installation is completed. -
Page 6: Connecting The Sensor
Bante821 Portable Dissolved Oxygen Meter Connecting the Sensor Insert the 6-pin connector of the dissolved oxygen probe into the corresponding connector socket on meter. Ensure the connector is fully seated. After connection is completed, DO NOT pull on the sensor cord. Always make sure that the connector is clean and dry. -
Page 7: Setup Menu
Bante821 Portable Dissolved Oxygen Meter Setup Menu The Bante821 dissolved oxygen meter contains an integrated setup menu that is used to customize the displayed option to meet measurement requirements. The following table describes the functions of the menu items. MENU... -
Page 8: Setting The Date And Time
Bante821 Portable Dissolved Oxygen Meter Date and Time: Year-month-day, hour-minutes Set the current date and time. Enable Clear Stored Data: Disable Delete all stored readings in the memory. Disable Factory Reset: Enable If enabled, all of the calibration data and selected... -
Page 9: Setting The Barometric Pressure
Bante821 Portable Dissolved Oxygen Meter Setting the barometric pressure The following table describes the relationship between altitude and barometric pressure. Prior to the calibration or measurement, you need to set the compatible parameter according to the local altitude. ALTITUDE (m) - Page 10 DO Calibration in % Saturation Mode The Bante821 dissolved oxygen meter is able to perform either 1 or 2 points calibration. For single point calibration, we recommend that you perform 100% saturation calibration in the air-saturated water. If the 2 points calibration is selected, the zero oxygen solution needs to be used.
- Page 11 Bante821 Portable Dissolved Oxygen Meter 2 points calibration Ensure that you have selected 2 point calibration in the setup menu. Press the key, the meter shows 100.0%/CAL 1, press the or key until the display shows 0/CAL1. Immerse the dissolved oxygen probe into the zero oxygen solution for at least 10 minutes. Press the...
- Page 12 Bante821 Portable Dissolved Oxygen Meter 2 points calibration Ensure that you have selected 2 point calibration in the setup menu. Press the key, the meter shows 8.25mg/L/CAL 1 (@25° C), press the or key until the display shows 0.00mg/L/CAL1.
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Page 13: Temperature Calibration
Dissolved Oxygen Measurement The Bante821 portable dissolved oxygen meter is suitable for measuring the water, wastewater, brine and other liquids. If the sample is belong to the seawater or other water containing large amounts of salt, please setting the salinity coefficient before measurement. Some gas and steam such as chloride, sulfur dioxide, sulfureted hydrogen, ammonium, carbon dioxide and iodin can permeate the membrane via diffusion. -
Page 14: Storing And Recalling Data
Bante821 Portable Dissolved Oxygen Meter Storing and Recalling Data The Bante821 portable dissolved oxygen meter is capable of storing and recalling up to 500 data sets. Storing readings into memory During the measurement process, press the key to store the reading into the memory, the Memory icon appears on the display. -
Page 15: Receiving Data
Bante821 Portable Dissolved Oxygen Meter Communication Bante Instruments provides a Data Acquisition System that can be used to transfer data, receive the measuring values or import the data to Excel. You are able to download this software from our official website at www.bante-china.com. Before installation, ensure that Windows 7/8/10 operating system has been installed on your computer. -
Page 16: Electrode Care And Maintenance
Bante821 Portable Dissolved Oxygen Meter Electrode Care and Maintenance • Always keep the membrane of the dissolved oxygen probe is wet or moist. • If you do not use the probe for long periods, please screw off membrane cap and rinse the cathode, anode and membrane with deionized water, then soak up residual water on them with filter pape. - Page 17 Bante821 Portable Dissolved Oxygen Meter Addendum: Preparation of the Zero Oxygen Solution Dissolve 500mg of sodium sulfate (Na ) reagent and a small amount of cobalt(II) chloride hexahydrate (CoCl • 6H O) in the 250mL distilled water, mix the solution until the reagent is completely dissolved.
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Page 18: Warranty
Hazardous Substance Statement Bante Instruments is committed to the reduction and eventual elimination of all hazardous substances in both the manufacturing process and finished products we supply. We have an active manufacturing and procurement program to minimize and eliminate the use of harmful heavy metals such as cadmium, lead, mercury and the like.
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